private static void CanExecuteUndo(object target, CanExecuteRoutedEventArgs e)
{
bool result = false;
CslaDataProviderCommandManager ctl = target as CslaDataProviderCommandManager;
if (ctl != null && ctl.Provider != null)
{
if (ctl.Provider.Data != null)
{
Csla.Core.IEditableBusinessObject ibiz = ctl.Provider.Data as Csla.Core.IEditableBusinessObject;
if (ibiz != null)
{
result = ibiz.IsDirty;
}
else
{
Csla.Core.IEditableCollection icol = ctl.Provider.Data as Csla.Core.IEditableCollection;
if (icol != null)
{
result = icol.IsDirty;
}
}
}
}
e.CanExecute = result;
}
/// <summary>
/// This method is called by a child object when it
/// wants to be removed from the collection.
/// </summary>
/// <param name="child">The child object to remove.</param>
void Core.IEditableCollection.RemoveChild(Csla.Core.IEditableBusinessObject child)
{
Remove((C)child);
}
/// <summary>
/// This method is called by a child object when it
/// wants to be removed from the collection.
/// </summary>
/// <param name="child">The child object to remove.</param>
void Core.IParent.RemoveChild(Csla.Core.IEditableBusinessObject child)
{
Remove((C)child);
}